/*
 * Copyright 2018 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kie.workbench.common.services.verifier.api.client.checks;

import java.util.Set;

import com.google.gwt.core.client.Scheduler;
import org.drools.verifier.api.Command;
import org.drools.verifier.api.StatusUpdate;
import org.drools.verifier.core.checks.base.Check;
import org.drools.verifier.core.checks.base.CheckRunner;
import org.drools.verifier.core.checks.base.ChecksRepeatingCommand;

public class GWTCheckRunner
        implements CheckRunner {

    private ChecksRepeatingCommand activeAnalysis;

    @Override
    public void run(final Set<Check> rechecks,
                    final StatusUpdate onStatus,
                    final Command onCompletion) {
        activeAnalysis = new ChecksRepeatingCommand(rechecks,
                                                    onStatus,
                                                    onCompletion);
        Scheduler.get()
                .scheduleIncremental(new Scheduler.RepeatingCommand() {

                    @Override
                    public boolean execute() {
                        return activeAnalysis.execute();
                    }
                });
    }

    @Override
    public void cancelExistingAnalysis() {

        if (activeAnalysis != null) {
            activeAnalysis.cancel();
            activeAnalysis = null;
        }
    }
}
